EP 0223325 B1 19900411 - IMPROVED PROCESS FOR REMOVAL OF H2S FROM GEOTHERMAL STEAM
Title (en)
IMPROVED PROCESS FOR REMOVAL OF H2S FROM GEOTHERMAL STEAM
Publication
Application
Priority
US 77606285 A 19850913
Abstract (en)
[origin: US4614644A] A process for the removal of H2S from a fluid stream whereby the H2S is converted to soluble sulfur compounds by treatment with a solution of ferric chelates containing an oxidizing agent and a water soluble cationic polymeric catalyst such as poly(dimethyldiallyl ammonium chloride).
IPC 1-7
IPC 8 full level
B01D 53/52 (2006.01); B01D 53/54 (2006.01); B01D 53/77 (2006.01); B01D 53/86 (2006.01); B01J 31/06 (2006.01); B01J 31/08 (2006.01); B01J 31/18 (2006.01); B01J 31/22 (2006.01); C01B 17/05 (2006.01); C01B 17/50 (2006.01)
CPC (source: EP US)
B01D 53/52 (2013.01 - EP US); B01D 53/8612 (2013.01 - EP US); B01J 31/08 (2013.01 - EP US); B01J 31/2243 (2013.01 - EP US); C01B 17/508 (2013.01 - EP US); B01J 2531/0238 (2013.01 - EP US); B01J 2531/842 (2013.01 - EP US); Y10S 423/19 (2013.01 - EP US)
Designated contracting state (EPC)
GB IT
DOCDB simple family (publication)
US 4614644 A 19860930; AU 5896786 A 19870319; AU 596594 B2 19900510; CA 1244630 A 19881115; EP 0223325 A1 19870527; EP 0223325 B1 19900411; IS 1310 B6 19880322; IS 3115 A7 19870314; JP S6265719 A 19870325; MX 164905 B 19921001; NZ 216572 A 19890829; PH 21550 A 19871211
DOCDB simple family (application)
US 77606285 A 19850913; AU 5896786 A 19860618; CA 512151 A 19860623; EP 86304811 A 19860623; IS 3115 A 19860623; JP 14501286 A 19860623; MX 289586 A 19860623; NZ 21657286 A 19860617; PH 33928 A 19860623